Which of the Following Are Identified by Your Text as a Strategy

Which of the following are identified by your text as a strategy for managing operating exposure: 1) Selecting low-cost production sites
2) Flexible sourcing policy
3) Diversification of the market
4) Product differentiation and R&D efforts
5) Financial Hedging

A) 1) , 3) , and 5) only
B) 2) and 4) only
C) 1) , 4) , and 5) only
D) 1) , 2) , 3) , 4) , and 5)